<template>
  <div>
    <el-form ref="form" label-width="80px">
      <el-form-item label="SPU名称">{{ spu.spuName }}</el-form-item>
      <el-form-item label="SKU名称">
        <el-input placeholder="sku名称" v-model="skuInfo.skuName"></el-input>
      </el-form-item>
      <el-form-item label="价格(元)">
        <el-input
          placeholder="价格(元素)"
          type="number"
          v-model="skuInfo.price"
        ></el-input>
      </el-form-item>
      <el-form-item label="重量(千克)">
        <el-input placeholder="重量(千克)" v-model="skuInfo.weight"></el-input>
      </el-form-item>
      <el-form-item label="规格描述">
        <el-input type="textarea" rows="4" v-model="skuInfo.skuDesc"></el-input>
      </el-form-item>
      <el-form-item label="平台属性">
        <el-form :inline="true" ref="form" label-width="80px">
          <el-form-item
            :label="attr.attrName"
            v-for="(attr, index) in attrInfoList"
            :key="attr.id"
          >
            <el-select placeholder="请选择" v-model="attr.attrIdAndValueId">
              <el-option
                :label="attrValue.valueName"
                :value="`${attr.id}:${attrValue.id}`"
                v-for="(attrValue, index) in attr.attrValueList"
                :key="attrValue.id"
              ></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="销售属性">
        <el-form :inline="true" ref="form" label-width="80px">
          <el-form-item
            :label="saleAttr.saleAttrName"
            v-for="(saleAttr, index) in spuSaleAttrList"
            :key="saleAttr.id"
          >
            <el-select placeholder="请选择" v-model="saleAttr.attrIdAndValueId">
              <el-option
                v-for="(saleAttrValue, index) in saleAttr.spuSaleAttrValueList"
                :key="saleAttrValue.id"
                :label="saleAttrValue.saleAttrValueName"
                :value="`${saleAttr.id}:${saleAttrValue.id}`"
              ></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="图片列表">
        <el-table
          style="width: 100%"
          border
          :data="spuImageList"
          @selection-change="handleSelectionChange"
        >
          <el-table-column type="selection" prop="prop" width="80">
          </el-table-column>
          <el-table-column prop="prop" label="图片" width="width">
            <template slot-scope="{ row, $index }">
              <img :src="row.imgUrl" style="width: 100px; height: 100px" />
            </template>
          </el-table-column>
          <el-table-column prop="imgName" label="名称" width="width">
          </el-table-column>
          <el-table-column prop="prop" label="操作" width="width">
            <template slot-scope="{ row, $index }">
              <el-button
                type="primary"
                v-if="row.isDefault == 0"
                @click="changeDefault(row)"
                >设置默认</el-button
              >
              <el-button v-else @click="change(row)">默认</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="save">保存</el-button>
        <el-button @click="cancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  name: 'SkuForm',

  data() {
    return {
      spuImageList: [],
      spuSaleAttrList: [],
      attrInfoList: [],
      spu: {}, // 收集sku数据的字段
      skuInfo: {
        // 第一类收集的数据：父组件给的数据
        category3Id: 0,
        spuId: 0,
        tmId: 0,
        // 第二类：需要通过数据双向绑定v-model收集
        skuName: '',
        price: 0,
        weight: '',
        skuDesc: '',
        // 第三类：需要自己书写代码
        // 默认图片
        skuDefaultImg: '',
        // 收集图片的字段
        skuImageList: [
          // {
          //   id: 0,
          //   imgName: "string",
          //   imgUrl: "string",
          //   isDefault: "string",
          //   skuId: 0,
          //   spuImgId: 0,
          // },
        ],
        // 平台属性
        skuAttrValueList: [
          // {
          //   attrId: 0,
          //   valueId: 0,
          // },
        ],
        // 销售属性
        skuSaleAttrValueList: [
          // {
          //   id: 0,
          //   saleAttrId: 0,
          //   saleAttrName: "string",
          //   saleAttrValueId: 0,
          //   saleAttrValueName: "string",
          //   skuId: 0,
          //   spuId: 0,
          // },
        ]
        //收集图片的数据字段:但是需要注意，收集的数据目前缺少isDefault字段，将来提交给服务器数据的时候，需要整理参数
      },
      imageList: [],
      skuImageList2: []
    }
  },

  mounted() {},

  methods: {
    async getData(category1Id, category2Id, spu) {
      // 收集父组件给予的数据
      this.skuInfo.category3Id = spu.category3Id
      this.skuInfo.spuId = spu.id
      this.skuInfo.tmId = spu.tmId
      this.spu = spu
      // 获取图片的数据
      const result = await this.$API.spu.reqSpuImageLIst(spu.id)
      if (result.code == 200) {
        const list = result.data
        list.forEach((item) => {
          item.isDefault = 0
        })
        this.spuImageList = list
      }
      // 获取销售属性的数据
      const result1 = await this.$API.spu.reqSpuSaleAttrList(spu.id)
      if (result1.code == 200) {
        this.spuSaleAttrList = result1.data
      }
      // 获取平台属性的数据
      const result2 = await this.$API.spu.reqAttrInfoList(
        category1Id,
        category2Id,
        spu.category3Id
      )
      if (result2.code == 200) {
        this.attrInfoList = result2.data
      }
    },
    cancel() {
      this.$emit('changeScene', { scene: 0 })
      Object.assign(this._data, this.$options.data())
    },
    changeDefault(row) {
      //图片列表的数据的isDefault字段变为 0
      this.spuImageList.forEach((item) => {
        item.isDefault = 0
      })
      console.log(row)
      //点击的那个图片的数据变为1
      row.isDefault = 1

      //收集默认图片的地址
      this.skuInfo.skuDefaultImg = row.imgUrl
    },
    change(row) {
      row.isDefault = 0
      this.skuInfo.skuDefaultImg = ''
    },
    //table表格复选框按钮的事件
    handleSelectionChange(params) {
      console.log(params)

      //获取到用户选中图片的信息数据，但是需要注意，当前收集的数据当中，缺少isDefault字段
      this.imageList = params
    },
    async save() {
      const { attrInfoList, skuInfo, spuSaleAttrList, imageList } = this
      //整理平台属的数据
      skuInfo.skuAttrValueList = attrInfoList.reduce((prev, item) => {
        if (item.attrIdAndValueId) {
          const [attrId, valueId] = item.attrIdAndValueId.split(':')
          prev.push({ attrId, valueId })
        }
        return prev
      }, [])
      //整理销售属性
      const prev = []
      spuSaleAttrList.forEach((item) => {
        if (item.attrIdAndValueId) {
          const [saleAttrId, saleAttrValueId] = item.attrIdAndValueId.split(':')
          prev.push({ saleAttrId, saleAttrValueId })
        }
      })
      skuInfo.skuSaleAttrValueList = prev
      skuInfo.skuImageList = imageList
      // skuInfo.skuSaleAttrValueList = spuSaleAttrList.reduce((prev, item) => {
      //   if (item.attrIdAndValueId) {
      //     const [saleAttrId, saleAttrValueId] = item.attrIdAndValueId.split(':')
      //     prev.push({ saleAttrId, saleAttrValueId })
      //   }
      //   return prev
      //   // }, [])
      this.skuImageList2 = imageList.map((item) => {
        return {
          imgName: item.imgName,
          imgUrl: item.imgUrl,
          isDefault: item.isDefault,
          spuImgId: item.id
        }
      })
      //  });skuImageList: [
      // {
      //   id: 0,
      //   imgName: "string",
      //   imgUrl: "string",
      //   isDefault: "string",
      //   skuId: 0,
      //   spuImgId: 0,
      // },
      let result = await this.$API.spu.reqAddSku(skuInfo)
      if (result.code == 200) {
        this.$message({ type: 'success', message: '添加SKU成功' })
        this.$emit('changeScene', { scene: 0 })
      }
    }
  }
}
</script>

<style scoped></style>
